(0 4 2)(1 20 17)(3 9 7)(5 15 13)(6 14 12)(8 16 11)(10 19 18)
ALLOWS (11/8)-SEQUENCE
1: (5 10 13)

(0 4 2)(1 20 17)(3 9 7)(5)(6 14 12)(8 16 11)(10 15 13 19 18)
2: (6 14 12)

(0 4 2)(1 20 17)(3 9 7)(5)(6)(8 16 11)(10 15 13 19 18)(12)(14)
3: (8 16 11)

(0 4 2)(1 20 17)(3 9 7)(5)(6)(8)(10 15 13 19 18)(11)(12)(14)(16)
4: (10 15 18)

(0 4 2)(1 20 17)(3 9 7)(5)(6)(8)(10)(11)(12)(13 19 18)(14)(15)(16)